Filter disc for fixed vacuum belt squeeze filter

The utility model discloses a filter disc for a fixed vacuum belt squeeze filter. The filter disc comprises a filter disc body, wherein mounting plates are symmetrically fixed on the left side wall and the right side wall of the filter disc body; each mounting plate comprises a vertical plate and an inclined side plate formed at the upper end of the vertical plate; a plurality of driving rollers at equidistant intervals are longitudinally arranged at the upper ends of the vertical plates; positioning grooves are formed in the lower ends of the two inclined side plates; the positioning grooves longitudinally stretch to the two ends of the filter disc body; sealing strips are stuck and fixed in the positioning grooves; a plurality of pressing rollers arrayed at equidistant intervals are longitudinally arranged at the upper ends of the inclined side plates. As the sealing strips are arranged at the side walls of the filter disc body, the filter disc is guaranteed to be in vacuum when filler cloth is in operation; the pressing rollers are arranged on the upper edge of the filter disc, so that the filler cloth is allowed to pass through the roller surfaces and the disc wall, the edge of the filler cloth is prevented from upwarping, operation of the filler cloth is prevented from being affected, the filter effect is guaranteed, and working efficiency is improved.